diff --git a/phpBB/includes/acp/acp_bbcodes.php b/phpBB/includes/acp/acp_bbcodes.php
index 130a3ef542..2686be64e0 100644
--- a/phpBB/includes/acp/acp_bbcodes.php
+++ b/phpBB/includes/acp/acp_bbcodes.php
@@ -409,7 +409,9 @@ class acp_bbcodes
 	{
 		$bbcode_match = trim($bbcode_match);
 		$bbcode_tpl = trim($bbcode_tpl);
-		$utf8 = strpos($bbcode_match, 'INTTEXT') !== false;
+
+		// Allow unicode characters for URL|LOCAL_URL|RELATIVE_URL|INTTEXT tokens
+		$utf8 = preg_match('/\{(URL|LOCAL_URL|RELATIVE_URL|INTTEXT)\}/', $bbcode_match);
 
 		$utf8_pcre_properties = phpbb_pcre_utf8_support();